Climate and monthly weather forecastRollyson, WV
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Rollyson, West Virginia, with an average temperature varying between 23.4°F (-4.8°C) and 36.5°F (2.5°C). The month of January sees the lowest average temperatures, reaching 36.5°F (2.5°C) at the peak and 23.4°F (-4.8°C) at the low. Weather in January »Weather in February
February, the last month of the winter in Rollyson, is another cold month, with an average temperature ranging between min 26.8°F (-2.9°C) and max 41.4°F (5.2°C). With February's advent, Rollyson, West Virginia, sees an average high-temperature of a still icy 41.4°F (5.2°C), subtly shifted from January's 36.5°F (2.5°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Rollyson, West Virginia, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 34°F (1.1°C). With the onset of March, the average high-temperature subtly transitions from an icy 41.4°F (5.2°C) in February to a frosty 49.6°F (9.8°C). Weather in March »Weather in April
April in Rollyson, West Virginia, is a comfortable spring month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 43.2°F (6.2°C). As March gives way to April, the average high-temperature displays an increase, moving from a frosty 49.6°F (9.8°C) to a comfortable 61.9°F (16.6°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Rollyson, West Virginia, with an average temperature fluctuating between 52.3°F (11.3°C) and 72.1°F (22.3°C). The onset of May marks an increase in the average high-temperature, moving from a refreshing 61.9°F (16.6°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in Rollyson, is a warm month, with an average temperature varying between 78.4°F (25.8°C) and 57.7°F (14.3°C). In June, the average high-temperature marginally rises from an agreeable 72.1°F (22.3°C) in May to a warm 78.4°F (25.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Rollyson, West Virginia, with an average temperature varying between 61°F (16.1°C) and 82.2°F (27.9°C). July is the month when Rollyson, West Virginia, experiences its warmest temperatures, averaging a high of 82.2°F (27.9°C) and a low of 61°F (16.1°C). The heat index for July is appraised at a tropical 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Rollyson, West Virginia, with an average temperature fluctuating between 81.5°F (27.5°C) and 59.4°F (15.2°C). Entering August, the average high-temperature is recorded at a still warm 81.5°F (27.5°C), exhibiting a minimal shift from July's 82.2°F (27.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Rollyson, West Virginia, with an average temperature varying between 54.5°F (12.5°C) and 75.6°F (24.2°C). September signals a slight drop in average high-temperature, sliding from August's moderately hot 81.5°F (27.5°C) to a still warm 75.6°F (24.2°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Rollyson, West Virginia, with an average temperature ranging between min 45.3°F (7.4°C) and max 63.1°F (17.3°C). Observing a mild shift, the average high-temperature during October reduces from September's warm 75.6°F (24.2°C) to a refreshing 63.1°F (17.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Rollyson, West Virginia, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 35.2°F (1.8°C). With the onset of November, Rollyson experiences a modest temperature adjustment, with the average high-temperature receding from an enjoyable 63.1°F (17.3°C) in October to a fresh 51.1°F (10.6°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Rollyson, West Virginia, with an average temperature ranging between min 30.6°F (-0.8°C) and max 42.3°F (5.7°C). The shift from November to December includes a small decrease in the average high-temperature, from a fresh 51.1°F (10.6°C) to an icy 42.3°F (5.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rollyson, WV
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (36.5°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Rollyson, WV
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Rollyson, WV
- Average wind speed in January:
7mph - Average wind speed in February:
7mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.4mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Rollyson, WV
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall
Rollyson, WV
- Average rainfall in January:
3.03" - Average rainfall in February:
3.54" - Average rainfall in March:
3.31" - Average rainfall in April:
3.82" - Average rainfall in May:
4.37" - Average rainfall in June:
3.74"
- Average rainfall in July:
3.66" - Average rainfall in August:
2.64" - Average rainfall in September:
1.93" - Average rainfall in October:
3.19" - Average rainfall in November:
2.24" - Average rainfall in December:
3.5"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Rollyson, WV
- Average rainfall days in January:
13.5 days - Average rainfall days in February:
12.9 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
18.6 days - Average rainfall days in May:
21.5 days - Average rainfall days in June:
19.5 days
- Average rainfall days in July:
19.6 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
14.8 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
13 days - Average rainfall days in December:
14.1 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).
Average snowfall
Rollyson, WV
- Average snowfall in January:
8.46" - Average snowfall in February:
7.17" - Average snowfall in March:
5.55" - Average snowfall in April:
1.85" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rollyson, WV
- Average snowfall days in January:
16.5 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
8 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1 days - Average snowfall days in November:
5.7 days - Average snowfall days in December:
12 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rollyson, WV
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 42min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Rollyson, WV
- Average sunshine days in January:
7.3 days - Average sunshine days in February:
7.3 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
7.8 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
12.6 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
13.6 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index
Rollyson, WV
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rollyson, WV
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Rollyson, WV
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).





